Snake vs. Camera Inspection: How to Diagnose Sewer

A blocked drain is rarely a mystery for long—once the right diagnosis is chosen. In plumbing and sewer work, two common approaches are snake inspection (using an auger/“snake” to break up or retrieve debris) and camera inspection (sending a CCTV line camera down the pipe). The key difference is that one is primarily for clearing, while the other is for seeing.

For homeowners and facility managers, the decision can affect repair scope, time on site, and whether an underlying issue is missed. Below is a practical way to think about “snake vs. camera” when diagnosing the problem.